[Tex/LaTex] Add a hyperlink in bibtex

bibtexhyperref

It's cool to add a hyperlink in references like this:
enter image description here

I want to know how to add the blue box in bibtex. For example, the following article's link is "ee". 

@inproceedings{DBLP:conf/osdi/DeanG04,
author    = {Jeffrey Dean and
           Sanjay Ghemawat},
title     = {MapReduce: Simplified Data Processing on Large Clusters},
booktitle = {OSDI},
year      = {2004},
ee        = {http://www.usenix.org/events/osdi04/tech/dean.html},
crossref  = {DBLP:conf/osdi/2004},
bibsource = {DBLP, http://dblp.uni-trier.de}
}

Best Answer

Loading the hyperref package and using 

url        = {http://www.usenix.org/events/osdi04/tech/dean.html},

gives a clickable url in your bibliography.

screenshot

alternatively you can use 

             note        = {\href{http://www.usenix.org/events/osdi04/tech/dean.html}{my text for the link which can break across lines}},

which gives a link which has different text from the link. I agree with @Mico- this is probably a bad idea in general for a variety of different reasons.

screensh

Complete MWE

% arara: pdflatex
% arara: bibtex
% arara: pdflatex
% arara: pdflatex
\begin{filecontents}{mybib.bib}
  @inproceedings{dblp,
             author = {Jeffrey Dean and
             Sanjay Ghemawat},
             title     = {MapReduce: Simplified Data Processing on Large Clusters},
             booktitle = {OSDI},
             year      = {2004},
             note        = {\href{http://www.usenix.org/events/osdi04/tech/dean.html}{my text for the link which can break across lines}},
             bibsource = {DBLP, http://dblp.uni-trier.de}
             }
\end{filecontents}

\documentclass{article}
\usepackage[backend=bibtex]{biblatex}   % bibliography
\usepackage{hyperref}

% bibliography
\bibliography{mybib}
\begin{document}

hello world \cite{dblp}

\printbibliography
\end{document}
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